forked from sangge/tpre-python
112 lines
2.8 KiB
Python
112 lines
2.8 KiB
Python
from fastapi import FastAPI, Request, HTTPException
|
|
import requests
|
|
from contextlib import asynccontextmanager
|
|
import socket
|
|
import asyncio
|
|
from pydantic import BaseModel
|
|
from tpre import *
|
|
import os
|
|
|
|
|
|
@asynccontextmanager
|
|
async def lifespan(app: FastAPI):
|
|
init()
|
|
yield
|
|
clear()
|
|
|
|
|
|
app = FastAPI(lifespan=lifespan)
|
|
server_address = "http://110.41.155.96:8000/server"
|
|
id = 0
|
|
ip = ""
|
|
client_ip_src = "" # 发送信息用户的ip
|
|
client_ip_des = "" # 接收信息用户的ip
|
|
processed_message = () # 重加密后的数据
|
|
|
|
# class C(BaseModel):
|
|
# Tuple: Tuple[capsule, int]
|
|
# ip_src: str
|
|
|
|
|
|
# 向中心服务器发送自己的IP地址,并获取自己的id
|
|
def send_ip():
|
|
url = server_address + "/get_node?ip=" + ip
|
|
# ip = get_local_ip() # type: ignore
|
|
global id
|
|
id = requests.get(url, timeout=3)
|
|
|
|
|
|
# 用环境变量获取本机ip
|
|
def get_local_ip():
|
|
global ip
|
|
ip = os.environ.get("HOST_IP", "IP not set")
|
|
|
|
|
|
def init():
|
|
get_local_ip()
|
|
send_ip()
|
|
task = asyncio.create_task(send_heartbeat_internal())
|
|
print("Finish init")
|
|
|
|
|
|
def clear():
|
|
print("exit node")
|
|
|
|
|
|
# 接收用户发来的消息，经过处理之后，再将消息发送给其他用户
|
|
|
|
|
|
async def send_heartbeat_internal() -> None:
|
|
timeout = 3
|
|
global ip
|
|
url = server_address + "/heartbeat?ip=" + ip
|
|
while True:
|
|
# print('successful send my_heart')
|
|
try:
|
|
folderol = requests.get(url, timeout=3)
|
|
except:
|
|
print("Central server error")
|
|
|
|
# 删除超时的节点（假设你有一个异步的数据库操作函数）
|
|
await asyncio.sleep(timeout)
|
|
|
|
|
|
@app.post("/user_src") # 接收用户1发送的信息
|
|
async def receive_user_src_message(message: Request):
|
|
global client_ip_src, client_ip_des
|
|
# kfrag , capsule_ct ,client_ip_src , client_ip_des = json_data[] # 看梁俊勇
|
|
"""
|
|
payload = {
|
|
"source_ip": local_ip,
|
|
"dest_ip": dest_ip,
|
|
"capsule_ct": capsule_ct,
|
|
"rk": rk_list[i],
|
|
}
|
|
"""
|
|
|
|
data = await message.json()
|
|
source_ip = data.get("source_ip")
|
|
dest_ip = data.get("dest_ip")
|
|
capsule_ct = data.get("capsule_ct")
|
|
rk = data.get("rk")
|
|
|
|
processed_message = ReEncrypt(rk, capsule_ct)
|
|
await send_user_des_message(source_ip, dest_ip, processed_message)
|
|
return HTTPException(status_code=200, detail="message recieved")
|
|
|
|
|
|
async def send_user_des_message(source_ip: str, dest_ip: str, re_message): # 发送消息给用户2
|
|
data = {"Tuple": re_message, "ip": source_ip} # 类型不匹配
|
|
|
|
# 发送 HTTP POST 请求
|
|
response = requests.post(
|
|
"http://" + dest_ip + "/receive_messages?message", json=data
|
|
)
|
|
print(response)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
import uvicorn # pylint: disable=e0401
|
|
|
|
uvicorn.run("node:app", host="0.0.0.0", port=8001, reload=False)
|